2798437 has 2 divisors, whose sum is σ = 2798438. Its totient is φ = 2798436.

The previous prime is 2798381. The next prime is 2798449. The reversal of 2798437 is 7348972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2390116 + 408321 = 1546^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798437 - 2¹⁹ = 2274149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2798437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399218 + 1399219.

It is an arithmetic number, because the mean of its divisors is an integer number (1399219).

2^2798437 is an apocalyptic number.

It is an amenable number.

2798437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798437 is an equidigital number, since it uses as much as digits as its factorization.

2798437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 2798437 is about 1672.8529522944. The cubic root of 2798437 is about 140.9197437410.

The spelling of 2798437 in words is "two million, seven hundred ninety-eight thousand, four hundred thirty-seven".